Average Co-Inventor Count = 6.04
ph-index = 10
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nec Infrontia Corporation (13 from 290 patents)
13 patents:
1. D676016 - Portion of a telephone
2. D664519 - Telephone
3. D621381 - Telephone
4. D601118 - Telephone
5. D601119 - Telephone
6. D600670 - Telephone
7. D600671 - Telephone
8. D597519 - Communication relay exchange control machine
9. D597060 - Telephone
10. D597061 - Telephone
11. D596612 - Telephone
12. D596613 - Telephone
13. 7519176 - Key telephone set having interchangeable units